package android.longs.study.upgrade.service;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;

import android.longs.study.upgrade.model.UpgradeModel;

public interface UpgradeService {

	String queryLastVersion();
	String addUpgradeModel(HttpServletRequest request, ServletContext servletContext);
	String addUpgradeModel(HttpServletRequest request);
}
